Events View Events: Upcoming By Day By Month Monday, August 19 Choose a Date Wednesday, August 21 Tuesday, August 20, 2019FREE Admission to Teacher Appreciation Weekend at Science City10:00 am to 5:00 pm | FREE | Science CityAdventures with Clifford exhibit10:00 am to 6:00 pm | FREE | Crown CenterStonehenge at Union Station10:00 am to 6:00 pm | $12.95-17.95 | Union Station Monday, August 19 Choose a Date Wednesday, August 21 View Events: Upcoming By Day By Month